package com.example.springboottools.utils;

import java.net.URLEncoder;
import java.security.MessageDigest;

public class SingleLogin {
    public static void main(String[] args) {
        //VP登录SH102919   SH103081
        String userName="SH102720";
        //userName= chinaToUnicode(userName);
        //75a19a5c487012849074369931de51ae0a83f990
        //ThreadPoolExecutor
        System.out.println(userName);
        String sha1 = getSha1(userName + "20210907");
        String url="http://newvp.staplescn.com/VendorPortal/system/VendorPortalLoginCtr/singleLogin?userName="
                +userName+"&code="+sha1;
        System.out.println(url);
    }
    public static String getSha1(String str){
        if (null == str || 0 == str.length()){
            return null;
        }
        char[] hexDigits = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
                'a', 'b', 'c', 'd', 'e', 'f'};
        try {
            MessageDigest mdTemp = MessageDigest.getInstance("SHA1");
            mdTemp.update(str.getBytes("UTF-8"));

            byte[] md = mdTemp.digest();
            int j = md.length;
            char[] buf = new char[j * 2];
            int k = 0;
            for (int i = 0; i < j; i++) {
                byte byte0 = md[i];
                buf[k++] = hexDigits[byte0 >>> 4 & 0xf];
                buf[k++] = hexDigits[byte0 & 0xf];
            }
            return new String(buf);
        } catch (Exception e) {
            return null;
        }
    }

}
